NOTE: Price listed is for reference only and is subject to change. Please call toll-free 1-800-282-9319 for current price and availability. Additional core charge of 2000.00 not included. Remanufactured Cummins 6B/QSB Complete Drop-In Engine 55G2D155D 2002-2006 12 valve 12 volt, 155HP @ 2500 RPM HMFO, Front Sump Ordering Instructions: Provide Engine Serial and CPL Number Call us toll-free 1-800-282-9319 for ordering assistance and complete warranty information.